Read Sony KP-FX432M90 / KP-FX532M90 Service Manual online
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KP-FX432M90/FX532M90
RM-1014
3-5-2. Green, Red, Blue adjustment of 4-pole
magnets
1. Turn Grenn focus volume of focus pack clockwise.
2. By using 4 pole magnets make the spot size round.
3. Repeat for red and blue.
4. Turn focus pack counter-clockwise and "Just Focus" red,
2. By using 4 pole magnets make the spot size round.
3. Repeat for red and blue.
4. Turn focus pack counter-clockwise and "Just Focus" red,
green and blue.
3-5-3. Blue left side dot adjustment of 2-pole Magnets
1. Turn blue focus volume of focus pack counter-clockwise, so
that diameter of the dot becomes large, and can see bright
core position.
core position.
2. Pay attentio to left side dot of the screen. (Fig.3-10)
3. Adjustment 2 pole magnet, so that bright core position of dot
3. Adjustment 2 pole magnet, so that bright core position of dot
become center position of dot. (Fig.3-11)
3-5. 2-POLE and 4-POLE MAGNET ADJUST-
MENT
3-5-1. Adjustment of 2-pole magnets
1. Receive the Dot signal( 1080i/50Hz) from HD/DVD 1 ter-
minal.
2. Place the caps on the red and blue lens so that only the green
color is shown.
3. Turn the green focus volume of focus pack counter-clock-
wise, so that diameter of the dot become large.
4. Adjust the 2-pole magnet, counter-clockwise and clockwise
center of the dot doesn't move. (Use focus volume)
5. Center position is changed by 2-pole magnet adjustment.
So, center magnet adjustment and 2-pole magnet adjustment
are needed tracking adjustment.
are needed tracking adjustment.
6. Repeat same adjustment method for red and blue.
Fig. 3-7
3-7. GREEN, RED AND BLUE FOCUS
ADJUSTMENT
3-7-1. Green, Red and Blue lens focus adjustment
1. Input a cross hatch signal into VIDEO 1 (composite video
input)
2. Place a lens cover over red and blue lenses and project only
green.
3. Rotate the green lens and adjust to obtain the best lens focus
at the center area.
4. Fix lens screw.
5. Repeat above process for red and blue.
5. Repeat above process for red and blue.
3-7-2. Green and Red electrical focus adjustment
1. Input a cross-hatch signal into VIDEO 1.
2. Project only Green.
3. Rotate the green focus volume on the focus pack and adjust
2. Project only Green.
3. Rotate the green focus volume on the focus pack and adjust
to obtain the best focus at the center screen.
4. Repeat above process for red.
Adjust Point center
Use the center dot
Fig. 3-14
3-6. BLUE DEFOCUS ADJUSTMENT
1. Receive 1080i/50Hz dot signal from HD/DVD 1 terminal.
2. Set "Hi Fine" and PICTURE 100%, other 50% and white
2. Set "Hi Fine" and PICTURE 100%, other 50% and white
balance "COOL"(VM OFF).
3. Blue 4 pole : make round in the center of screen.
4. Confirm that center dot focus is adjusted in focus.
4. Confirm that center dot focus is adjusted in focus.
(Fig.3-12a)
5. Adjust blue electrical focus to make the left side spot nearly
round by minimizing width and height. (Slight overfocus is
OK) (Fig.3-12b)
OK) (Fig.3-12b)
6. Confirm that the green to blue spot size is within spec.
Blue center dot height shall be
≤1.2
times the green dot
heght.
7. Return making condition data to orignal data.
Fig. 3-12a
Fig. 3-8
NG
OK
Left-end dot
(BLUE)
(BLUE)
Right-end dot
(BLUE)
(BLUE)
OK
NG
NG
Use the center dot
Bright Core
Fig. 3-10
Fig. 3-9
Blue 2 Pole magnet
Adjustment Position
Fig. 3-11
Blue 2 Defocus
Adjustment Position
OK
Fig. 3-12b
Adjust Point
Fig. 3-13
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